<template>
  <div>
    <h3>请选择你喜欢的专栏</h3>
    <form action="">
      <span v-for="(item, index) in arr" :key="index">
        <input :value="item" v-model="newArr" type="checkbox" />
        {{ item }}
      </span>
    </form>
    <ul>
      您选择的专栏有
      <li v-for="(item, index) in newArr" :key="index">{{ item }}</li>
    </ul>
  </div>
</template>

<script>
export default {
  data() {
    return {
      arr: ['科幻', '喜剧', '动漫', '冒险', '科技', '军事', '娱乐', '奇闻'],
      newArr: []
    }
  }
}
</script>

<style></style>
